merged others updates, added command line usage options

index.php

@@ -0,0 +1,78 @@
+<?php
+
+
+/**
+ * Node.php v0.4
+ * (c) 2016 Jerzy Głowacki
+ * MIT License
+ */
+
+error_reporting(0);
+set_time_limit(120);
+
+define("NODE_DIR", "node");
+define("NODE_PORT", 49999);
+
+function node_serve($path = "") {
+
+	if(!file_exists(NODE_DIR)) {
+
+        header('HTTP/1.0 404 Not Found');
+        exit;
+
+	}
+
+	$node_pid = intval(file_get_contents("nodepid"));
+	if($node_pid === 0) {
+
+        header('HTTP/1.0 503 Service Unavailable');
+        echo "Server down, help me!\n";
+        exit;
+
+	}
+
+	$curl = curl_init("http://127.0.0.1:" . NODE_PORT . "/$path");
+	curl_setopt($curl, CURLOPT_HEADER, 1);
+	curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+
+    $headers = array();
+    foreach(getallheaders() as $key => $value) {
+        $headers[] = $key . ": " . $value;
+    }
+
+    curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
+    curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $_SERVER["REQUEST_METHOD"]);
+
+    if($_SERVER["REQUEST_METHOD"] === "POST") {
+
+        curl_setopt($curl, CURLOPT_POST, 1);
+        curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($_POST));
+
+    }
+
+ 	$resp = curl_exec($curl);
+
+	if($resp === false) {
+
+		header('HTTP/1.0 404 Not Found');
+        exit;
+
+	} else {
+
+		list($head, $body) = explode("\r\n\r\n", $resp, 2);
+		$headarr = explode("\n", $head);
+		foreach($headarr as $headval) {
+			header($headval);
+		}
+		echo $body;
+
+	}
+
+	curl_close($curl);
+}
+
+function node_dispatch() {
+	isset($_GET['path']) ? node_serve($_GET['path']) : node_serve();
+}
+
+node_dispatch();